+++ /dev/null
-/*
- * Copyright (c) 2003-2005 The BISON Project
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-package peersim.dynamics;
-
-import peersim.core.*;
-import peersim.config.Configuration;
-
-/**
- * Initializes the neighbor list of a node with random links.
- */
-public class RandNI implements NodeInitializer {
-
-
-//--------------------------------------------------------------------------
-//Parameters
-//--------------------------------------------------------------------------
-
-/**
- * The protocol to operate on.
- * @config
- */
-private static final String PAR_PROT = "protocol";
-
-/**
- * The number of samples (with replacement) to draw to initialize the
- * neighbor list of the node.
- * @config
- */
-private static final String PAR_DEGREE = "k";
-
-/**
- * If this config property is defined, method {@link Linkable#pack()} is
- * invoked on the specified protocol at the end of the wiring phase.
- * Default to false.
- * @config
- */
-private static final String PAR_PACK = "pack";
-
-//--------------------------------------------------------------------------
-//Fields
-//--------------------------------------------------------------------------
-
-/**
- * The protocol we want to wire
- */
-private final int pid;
-
-/**
- * The degree of the regular graph
- */
-private final int k;
-
-/**
- * If true, method pack() is invoked on the initialized protocol
- */
-private final boolean pack;
-
-
-//--------------------------------------------------------------------------
-//Initialization
-//--------------------------------------------------------------------------
-
-/**
- * Standard constructor that reads the configuration parameters. Invoked by the
- * simulation engine.
- * @param prefix the configuration prefix for this class
- */
-public RandNI(String prefix)
-{
- pid = Configuration.getPid(prefix + "." + PAR_PROT);
- k = Configuration.getInt(prefix + "." + PAR_DEGREE);
- pack = Configuration.contains(prefix + "." + PAR_PACK);
-}
-
-//--------------------------------------------------------------------------
-//Methods
-//--------------------------------------------------------------------------
-
-/**
- * Takes {@value #PAR_DEGREE} random samples with replacement from the nodes of
- * the overlay network. No loop edges are added.
- */
-public void initialize(Node n)
-{
- if (Network.size() == 0) return;
-
- Linkable linkable = (Linkable) n.getProtocol(pid);
- for (int j = 0; j < k; ++j)
- {
- int r = CommonState.r.nextInt(Network.size());
- linkable.addNeighbor(Network.get(r));
- }
-
- if (pack) linkable.pack();
-}
-
-}
-
